US 12,438,184 B2
Ceramic powder, sintered body and battery
Tadahiro Niwa, Osaka (JP); and Sadahiro Yagishita, Osaka (JP)
Assigned to DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Osaka (JP)
Appl. No. 17/041,558
Filed by DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Osaka (JP)
PCT Filed Mar. 26, 2019, PCT No. PCT/JP2019/013036
§ 371(c)(1), (2) Date Sep. 25, 2020,
PCT Pub. No. WO2019/189275, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-059729 (JP), filed on Mar. 27, 2018; and application No. 2018-059734 (JP), filed on Mar. 27, 2018.
Prior Publication US 2021/0119251 A1, Apr. 22, 2021
Int. Cl. H01M 10/0562 (2010.01); C01G 25/00 (2006.01); C04B 35/48 (2006.01); C04B 35/488 (2006.01); C04B 35/50 (2006.01); H01B 1/08 (2006.01)
CPC H01M 10/0562 (2013.01) [C01G 25/006 (2013.01); C04B 35/48 (2013.01); C04B 35/488 (2013.01); C04B 35/50 (2013.01); H01B 1/08 (2013.01); C01P 2002/72 (2013.01); C01P 2002/74 (2013.01); C01P 2002/76 (2013.01); C04B 2235/3203 (2013.01); C04B 2235/3227 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3286 (2013.01); C04B 2235/443 (2013.01); C04B 2235/764 (2013.01); C04B 2235/80 (2013.01); C04B 2235/9615 (2013.01); H01M 2300/0071 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A ceramic powder, comprising:
a garnet-type oxide comprising a compound represented by the formula Li7-3xGaxLa3Zr2O12, wherein 0.15≤x≤0.35;
lanthanum oxide; and
lithium gallate,
wherein a molar ratio of lanthanum to zirconium in the ceramic powder is 1.51 or more and 1.59 or less.